Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(18), P. 11047 - 11136
Published: Sept. 7, 2023
Advances
in
nanotechnology
and
nanomaterials
have
attracted
considerable
interest
play
key
roles
scientific
innovations
diverse
fields.
In
particular,
increased
attention
has
been
focused
on
carbon-based
exhibiting
extended
structures
unique
properties.
Among
these
materials,
zero-dimensional
structures,
including
fullerenes,
carbon
nano-onions,
nanodiamonds,
dots,
possess
excellent
bioaffinities
superior
fluorescence
properties
that
make
suitable
for
application
to
environmental
biological
sensing,
imaging,
therapeutics.
This
review
provides
a
systematic
overview
of
the
classification
structural
properties,
design
principles
preparation
methods,
optical
sensing
applications
nanomaterials.
Recent
interesting
breakthroughs
sensitive
selective
imaging
heavy
metal
pollutants,
hazardous
substances,
bioactive
molecules
as
well
information
encryption,
super-resolution
photoacoustic
phototherapy
nanomedicine
delivery
are
main
focus
this
review.
Finally,
future
challenges
prospects
materials
highlighted
envisaged.
presents
comprehensive
basis
directions
designing,
developing,
applying
fascinating
fluorescent
sensors
fabricated
based
specific
requirements
numerous
research
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(12)
Published: Feb. 23, 2023
White-light-emitting
carbon
dots
(WCDs)
show
innate
advantages
as
phosphors
in
white
light-emitting
diodes
(WLEDs).
For
WLEDs,
the
color
rendering
index
(CRI)
is
most
important
metric
to
evaluate
its
performance.
Herein,
WCDs
are
prepared
by
a
facile
one-step
solvothermal
reaction
of
trimellitic
acid
and
o-phenylenediamine.
It
consists
four
CDs
identified
column
chromatography
blue,
green,
yellow,
red,
thus
light
superposition
these
types
light.
The
mixture
undergoes
Förster
resonance
energy
transfer
induce
generation
photoluminescence
originates
from
synergistic
effect
core
surface
states.
Thereinto,
states
dominate
RCDs,
increase
amide
contents
degree
conjugation
promote
redshift
emission
spectra,
which
further
confirmed
theoretical
calculations.
In
addition,
high
CRI
97
achieved
when
used
fabricate
almost
highest
value
up
now.
multicolor
LEDs
can
also
be
fabricated
using
phosphors,
respectively.
This
work
provides
novel
approach
explore
rapid
preparation
low-cost,
high-performance
CDs-based
WLEDs.
Applied Physics Reviews,
Journal Year:
2024,
Volume and Issue:
11(2)
Published: April 19, 2024
Zero-dimensional
(0D)
nano-carbons,
including
graphene
quantum
dots,
nanodiamonds,
and
carbon
represent
the
new
generation
of
carbon-based
nanomaterials
with
exceptional
properties
arising
from
diverse
phenomena,
such
as
surface,
size,
edge
effects,
which
strongly
depend
on
carbon–carbon
bond
configuration
(sp2,
sp3,
a
mixture
sp2
sp3)
particle
size.
Their
unique
physicochemical
properties,
optical,
electronic,
magnetic,
reactivity,
catalytic
are
valuable
for
energy
conversion
storage,
sensing,
catalysis,
optoelectronic
devices,
modern
nanotechnologies,
biomedical,
many
other
applications.
This
review
aims
to
provide
insights
into
distinctive
effects
0D
nano-carbon
microstructures
their
that
crucial
cutting-edge
fundamental
studies
broad
range
multifunctional
The
key
synthesis
methods
different
types
nano-carbons
current
advances
characterization
computational
techniques
study
structures
structure–property
relationships
also
discussed.
concludes
status,
challenges,
future
opportunities
in
this
rapidly
developing
research
field.
ACS Biomaterials Science & Engineering,
Journal Year:
2023,
Volume and Issue:
9(3), P. 1307 - 1319
Published: Feb. 6, 2023
Biomass
carbon
dots
(CDs)
derived
from
natural
plants
possess
the
advantages
of
low
cost,
photostability,
and
excellent
biocompatibility,
with
potential
applications
in
chemical
sensing,
bioimaging,
nanomedicine.
However,
development
biomass
CDs
antioxidant
activity
good
biocompatibility
is
still
a
challenge.
Herein,
we
propose
hypothesis
for
enhancing
capacity
based
on
precursor
optimization,
extraction
solvent,
other
conditions
broccoli
as
biomass.
Compared
to
water
extracts,
powders,
organic
solvent
extracts
(BWE-CDs)
have
outstanding
properties
due
abundant
C═C,
carbonyl,
amino
groups
their
surface.
After
optimization
preparation
condition,
obtained
BWE-CDs
exhibit
free-radical
scavenging
an
EC50
68.2
μg/mL
DPPH•
22.4
ABTS•+.
Cytotoxicity
zebrafish
embryotoxicity
results
indicated
that
lower
cytotoxicity
better
than
solvents.
In
addition,
effectively
scavenged
reactive
oxygen
species
(ROS)
A549
cells,
293T
zebrafish,
well
eliminating
inflammation
LPS-stimulated
zebrafish.
Mechanistic
studies
showed
anti-inflammatory
effect
was
dependent
direct
reaction
free
radicals,
regulation
NO
levels,
upregulation
expression
SOD
GPX-4.
This
work
indicates
could
be
enhanced
by
using
precursors,
characteristics
greenness,
toxicity,
activities,
which
suggests
promising
application
nanomedicine
inflammatory
therapy.
